1.laugh at 呼吁;要求
He's just started learning. don't laugh at him.
他刚学,别笑他
。2.refuse to 拒绝;不肯
You were quite within your rights to refuse to co-operate with him
你完全有权拒绝跟他合作
。3.as a result 因此;结果是
As a result of this conflict he lost both his home and his means of livelihood.
这场冲突使他同时失去了住所和生计来源
。4.put down 镇压;平定
Soldiers went in to put down a rebellion.
军队出动镇压叛乱
。